[WoW] Clients crash on certain Click Bar use

I recently made a Clickbar so that I selectively heal/do things on party members, and have the bars sitting above my unit frames so I know where everyone is.

I'm running a team with a single DH (my main) and 4 paladins, so I have an action on control-left click to Lay on Hands the person I choose (using WoW macros in ISB). I had it on shift-click, with it crashing I went to control-click, and it continues to happen. I've been using ISB for about a week and until I started using the click bar I've had no crashes.

Any assistance would be appreciated.



https://pastebin.com/bJSunmNB